(19)

(11)

EP 0 471 799 A1

(12)

(43) Date of publication: 26.02.1992 Bulletin 1992/09 (21) Application number: 90912562.0 (22) Date of filing: 02.03.1990

(51) International Patent Classification (IPC):  G01S 13/ 02( . ) G01S 13/ 04( . ) H01Q 21/ 06( . ) H04B 14/ 02( . ) H04L 27/ 30( . ) G01S 7/ 292( . ) H01Q 9/ 28( . ) H04B 1/ 69( . ) H04B 15/ 00( . ) (86) International application number: PCT/US1990/001174 (87) International publication number: WO 1991/013370 (05.09.1991 Gazette 1991/21)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (71) Applicant: FULLERTON, Larry W Huntsville, AL 35810 (US)	(72) Inventor: FULLERTON, Larry W Huntsville, AL 35810 (US) (74) Representative: Simonnot, Bernard, et al  Cabinet Simonnot 35 rue de Clichy F-75442 Paris Cédex 09 F-75442 Paris Cédex 09 (FR)